Home / 10,565.42-15,848.31-3,994.70

Finding the Fourth Proportional to 10,565.42, 15,848.31 and 3,994.70

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Solution

The fourth proportional to 10,565.42, 15,848.31 and 3,994.70 is: 5,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,565.42 : 15,848.31 = 3,994.70 : x
  2. Step 2: Convert to fraction form
    10,565.42/15,848.31 = 3,994.70/x
  3. Step 3: Cross multiply
    10,565.42x = 15,848.31 × 3,994.70
  4. Step 4: Simplify right side
    10,565.42x = 63,309,243.96
  5. Step 5: Solve for x
    x = 63,309,243.96/10,565.42
  6. Step 6: Final answer
    x = 5,992.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.